Change avf_sdp_create() to get a pre-allocated buffer as input, and to

return an integer (0 if the SDP has been succesfully created, < 0 in case
of error)

Originally committed as revision 9947 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 6 insertions, 5 deletions

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index e50fe64375..ea93e85f08 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -842,12 +842,13 @@ int av_filename_number_test(const char *filename);
  *           multiple AVStreams (one AVStream per RTP stream). Otherwise,
  *           all the contexts in the array (an AVCodecContext per RTP stream)
  *           must contain only one AVStream
- * @param n_streams number of AVCodecContexts contained in ac
- * @return a pointer to the SDP (an array of chars which is allocated by
- *         avf_sdp_create(), and must be freed by the caller), or NULL in
- *         case of failure.
+ * @param n_files number of AVCodecContexts contained in ac
+ * @param buff buffer where the SDP will be stored (must be allocated by
+ *             the caller
+ * @param size the size of the buffer
+ * @return 0 if OK. AVERROR_xxx if error.
  */
-char *avf_sdp_create(AVFormatContext *ac[], int n_streams);
+int avf_sdp_create(AVFormatContext *ac[], int n_files, char *buff, int size);
 
 #ifdef HAVE_AV_CONFIG_H